The Sudoku Challenge

Play the numbers game that's driving everyone mad. The deceptively simple goal of this global hit is to fill in the missing numbers in a 9x9 grid. A puzzle game of logic and reasoning, Sudoku doesn't require any calculating or special math skills; all that is needed is brains and concentration. Featuring multiple difficulty levels for players of all skills, a helpful 'pencil-mark' feature, and more than 10,000 different Sudoku boards, The Sudoku Challenge will quickly become your new favorite.